Russia

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Crimean retirees line up to get their pensions in Russian rubles inside a post office in Simferopol, Crimea, Tuesday, March 25, 2014. The Crimean authorities began paying pensions in rubles following the Ukrainian region's annexation by Russia. (AP Photo/Alexander Polegenko)

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Russia's Foreign Minister Sergey Lavrov, third from top right corner, watches as U.S. President Barack Obama, second left front row, and Dutch Prime Minister Mark Rutte, gesturing, talk when posing for a family photo on the last day of the Nuclear Security Summit (NSS) in The Hague, Netherlands, Tuesday, March 25, 2014. (AP Photo/Robin van Lonkhuijsen, POOL)

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In this photo taken on Monday, March 24, 2014, Oleh Lyashko, center, a lawmaker, who supported the protests that ousted Russian-leaning president Viktor Yanukovych and his government, shakes hands with a soldier while visiting Ukrainian troops near Crimea, annexed by Russia, to support the Ukrainian soldiers’ spirit. Ukraine's government ordered Ukrainian troops to pull back Monday from Crimea, ending days of wavering as Russian forces stormed and seized bases on the peninsula.(AP Photo/Osman Karimov)

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FILE - In this Monday, March 24, 2014, file photo, former U.S. President Jimmy Carter speaks during an interview, in New York. On the “Late Show with David Letterman” Monday, March 24, 2014, Carter said the Crimean annexation was “inevitable’ because Russia considers it to be part of their country and so many Crimeans consider themselves Russian. He also said Russian President Vladimir Putin shouldn’t be permitted to go any further. (AP Photo/Bebeto Matthews, File)